Summary Use the audio icons at the top of the page to listen to BBC Radio 5 Sports Extra commentary Four-time winners Leinster finished runners-up last two seasons Caelan Doris skippers the side from number eight Northampton Saints captain Lewis Ludlam ruled out by injury Ollie Sleightholme also missing after suffering concussion More than 82,000 fans expected at a sold-out Croke Park in Dublin Line-ups Leinster 15Frawley 14Larmour 13Henshaw 12Osborne 11Lowe 10R Byrne 9Gibson Park 1Porter 2Sheehan 3A furlong 4Molons 5McCarthy 6Baird 7van der Flier 8Doris Substitutes 16Kelleher 17Healy 18Ala’alatoa 19Jenkins 20Conan 21McGrath 22Byrne 23J O’Brien Northampton Saints 15Furbank 14Ram 13Freeman 12Dingwall 11Hendy 10Smith 9Mitchell 1Waller 2Langdon 3Davison 4Moon 5Coles 6Lawes 7Graham 8Augustus Substitutes 16Matavesi 17Iyogun 18Miller Mills 19Mayanavanua 20Scott-Young 21James 22Litchfield 23Seabrook The article is in Czech Tags: European Champions Cup semifinal LIVE #Leinster #Northampton Saints score updates radio commentary Live